Lua APA (7ú heag.)

Levy, C. K. (1979). Biology: Human perspectives. Goodyear Publishing Co.

Lua i Stíl Chicago (17ú heag.)

Levy, Charles K. Biology: Human Perspectives. Santa Monica: Goodyear Publishing Co, 1979.

Lua MLA (9ú heag.)

Levy, Charles K. Biology: Human Perspectives. Goodyear Publishing Co, 1979.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.